html,
body {
  height: 100%;
}
.fl-x {
  display: flex;
}
.fl-y {
  display: flex;
  flex-direction: column;
}
ul,
li,
a {
  list-style: none;
  text-decoration: none;
}
.lt-layout {
  height: 100%;
  min-width: 320px;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  border: 1px solid red;
  margin: 0 auto;
}
.lt-layout .lt-header {
  height: 45px;
  background-color: #006699;
}
.lt-layout .lt-header a {
  width: 45px;
  height: 45px;
  text-align: center;
  line-height: 45px;
  color: white;
}
.lt-layout .lt-header h4 {
  flex: 1;
  text-align: center;
  line-height: 45px;
  margin: 0;
  color: white;
}
.lt-layout .lt-footer {
  height: 60px;
  background-color: #006699;
}
.lt-layout .lt-footer .lt-footer-ul {
  width: 100%;
  display: flex;
  padding: 10px 0 10px 0;
  margin: 0;
}
.lt-layout .lt-footer .lt-footer-ul li {
  flex: 1;
  height: 45px;
  text-align: center;
}
.lt-layout .lt-footer .lt-footer-ul li a {
  display: block;
  width: 100%;
  height: 100%;
  font-size: 16px;
}
.lt-layout .lt-footer .lt-footer-ul li a i {
  color: white;
}
.lt-layout .lt-footer .lt-footer-ul li a p {
  color: white;
}
.lt-layout .lt-footer .lt-footer-ul li.current i {
  color: #daa520;
}
.lt-layout .lt-footer .lt-footer-ul li.current p {
  color: #daa520;
}
